Home / 73,839.65-101,898.69-40,305.65

Finding the Fourth Proportional to 73,839.65, 101,898.69 and 40,305.65

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Solution

The fourth proportional to 73,839.65, 101,898.69 and 40,305.65 is: 55,621.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,839.65 : 101,898.69 = 40,305.65 : x
  2. Step 2: Convert to fraction form
    73,839.65/101,898.69 = 40,305.65/x
  3. Step 3: Cross multiply
    73,839.65x = 101,898.69 × 40,305.65
  4. Step 4: Simplify right side
    73,839.65x = 4,107,092,934.60
  5. Step 5: Solve for x
    x = 4,107,092,934.60/73,839.65
  6. Step 6: Final answer
    x = 55,621.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.